Which of the following arranges the speed of sound in air, water and iron correctly, from the lowest to the highest?
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → Air < Water < Iron
Sound travels slowest in gases and fastest in solids. At ordinary temperature it moves at about 346 m/s in air, about 1500 m/s in water and about 5950 m/s in iron.